<html>
	<head>
		<title>404页面</title>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<style type="text/css">
			.center {
				font-size: 100px;
                font-style: bold;
                color: red;
                top: 50%;
                left: 50%;
                margin-left: -150px;
                margin-top: -100px;
                position: absolute;
                text-align: center;
			}
		</style>
	</head>	
    <body>
        <div class="center"> 404 </div> 
    </body>
</html>